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AATCC 175-2003
- Stain Resistance: Pile Floor Coverings
- standard by American Association of Textile Chemists and Colorists, 01/01/2003
- Publisher: AATCC
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1. Purpose and Scope1.1 This test method is used to determine the resistance to staining by acid food colors on pile floor coverings.2. Principle2.1 A specimen of pile floor covering is stained with a small volume of a diluted aqueous solution of Food Drug and Cosmetic (FD&C) Red 40 adjusted to an acid pH. After allowing the stained specimen to remain at controlled conditions for 24 plus or minus 4 h, it is rinsed in water to remove all unused FD&C Red 40 dye. Any residual stain is assessed after drying.
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